Adjustable base for a high chair



FIG. 1 is a front perspective view of a first embodiment of theadjustable base for a high chair of our new design shown in an extendedposition;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a view looking upward from plane 4--4 of FIG. 2;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front perspective view of the first embodiment, in aretracted position;

FIG. 7 is a front perspective view of a second embodiment of theadjustable base for a high chair of our new design, shown in theextended position;

FIG. 8 is a left side elevation view of the second embodiment of ourdesign;

FIG. 9 is a bottom plan view of the second embodiment of our design;

FIG. 10 is a view looking upward from plane 10--10 of FIG. 8;

FIG. 11 is a top plan view of the said embodiment of our design; and,

FIG. 12 is a front perspective view of the second embodiment of our newdesign, shown in the retracted position.

The broken lines appearing in the above figures are for environmentalpurposes only and form no part of the claimed design.

The ornamental design for a adjustable base for a high chair, as shownand described.